The primary objective of this study was to determine the safety and Maximum tolerated dose (MTD) of BIBF 1120 combination therapy with docetaxel and prednisone in patients with hormone refractory prostate cancer. Secondary objectives were to characterise the pharmacokinetic profiles of BIBF 1120 and docetaxel and possible Pharmacokinetic (PK) interactions between BIBF 1120 and docetaxel and to obtain preliminary information on anti-tumour activity.
Study Type
INTERVENTIONAL
Allocation
NA
Purpose
TREATMENT
Masking
NONE
Enrollment
21
Maximum Tolerated Dose (MTD)
Time frame: Up to day 126
Incidence and intensity of Adverse Events according to the Common Terminology Criteria for Adverse Events (version 3.0) associated with increasing doses of BIBF 1120
Time frame: up to 6 months
Area under the plasma concentration-time curve (AUC) over the dosing interval τ following the first dose (AUC0-24)
Time frame: up to 336 hours after drug administration
Incidence of prostate specific antigen (PSA) decline ≥ 50% from the baseline value
Time frame: Baseline, up to day 126
Number of patients with an objective tumour response (Partial Response (PR), Complete Response (CR)) according to Response Evaluation Criteria In Solid Tumours (RECIST) criteria
Time frame: Baseline, day 15 of cycle 3 and at the end of cycle 6
Number of patients without signs of tumour progression (stable disease (SD)) according to RECIST criteria
Time frame: Baseline, day 15 of cycle 3 and at the end of cycle 6
Change in Eastern Cooperative Oncology Group (ECOG) performance score
Time frame: Baseline, up to day 156
AUC over the time interval from zero to the time of the last quantifiable drug concentration after the first dose (AUC0-tz) within the dosing interval τ
Time frame: up to 336 hours after drug administration
AUC over the time interval from zero extrapolated to infinity (AUC0-∞) after the first dose
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Time frame: up to 336 hours after drug administration
Percentage of AUC0-∞ obtained by extrapolation (%AUCtz-∞)
Time frame: up to 336 hours after drug administration
Maximum measured plasma concentration (Cmax) following the first dose
Time frame: up to 336 hours after drug administration
Time from dosing to the maximum plasma concentration (tmax) following the first dose
Time frame: up to 336 hours after drug administration
Terminal rate constant in plasma (λz )
Time frame: up to 336 hours after drug administration
Terminal half-life (t1/2)
Time frame: up to 336 hours after drug administration
Mean residence time (MRTpo) after oral administration
Time frame: up to 336 hours after drug administration
Apparent clearance (CL/F)
Time frame: up to 336 hours after drug administration
Apparent volume of distribution during the terminal phase (Vz/F)
Time frame: up to 336 hours after drug administration
Pre-dose plasma concentration immediately before administration
Time frame: Days 2, 3, 8 and 15
Plasma concentration at 24 hours following the first (C24,1) dose
Time frame: 24 hours after administration
Mean residence time (MRTiv) after i.v. administration
Time frame: up to 336 hours after drug administration
Clearance (CL) after i.v. administration
Time frame: up to 336 hours after drug administration
Apparent volume of distribution during the terminal phase (Vz) after i.v. administration
Time frame: up to 336 hours after drug administration
Apparent volume of distribution at steady state (Vss)
Time frame: up to 336 hours after drug administration